Common Heath

Local and restricted to areas where heathers occur, chiefly Exmoor, the Quantocks and Mendips, but also occurring very locally elsewhere.&nbsp; The adults fly by day and are variable in colour and in the strength of their markings.

Brindled White-spot

An uncommon and perhaps declining
species of large, semi-natural wooded areas; perhaps unusually for such a
species, appears to be commoner in the north of the county than the south.

Grey Birch

Uncommon and local; widely but
thinly distributed in VC5, especially in wooded, upland areas; very local in
VC6, around Shapwick/Westhay, the Gordano Valley, Leigh Woods and Harridge
Wood.

Grey Birch

Aethalura punctulata